Mexico's Yucatán Peninsula was—and remains—home to the country's Maya people, whose culture has long valued cacao, the source of chocolate. Today, many Maya farmers harvest cacao to help satisfy the global chocolate craze, and you can get your fix here. While the Mayan Cacao Company is more than a shop (it bills itself as an interactive attraction), visitors can purchase chocolate bars studded with ingredients like chipotle chili or lime and coconut.